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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.
Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.